<?php
/*******************************************************************************

    Copyright 2007 Whole Foods Co-op

    This file is part of IT CORE.

    IT CORE is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    IT CORE is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    in the file license.txt along with IT CORE; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*********************************************************************************/

use COREPOS\pos\parser\PreParser;

class CaseDiscount extends PreParser {
    
    function check($str){
        // force quantity == 1
        if (strstr($str,"CT") && !strstr($str,"*")) {
            $split = explode('CT', $str);
            if (is_numeric($split[0]) && strlen($split[0] > 1) && strlen($split[1] > 1)) {
                return true;
            }
        }

        return false;
    }

    function parse($str)
    {
        $split = explode("CT", $str);
        $remainder = "";
        if (is_numeric($split[0]) && strlen($split[0] > 1) && strlen($split[1] > 1)){
            if ($split[0] != 5 && $split[0] != 10){
                $remainder = "cdinvalid";
                CoreLocal::set("casediscount",$split[0]);
            }
            elseif (CoreLocal::get("isStaff") == 1)
                $remainder = "cdStaffNA";
            elseif (CoreLocal::get("SSI") == 1)
                $remainder = "cdSSINA";
            elseif (CoreLocal::get("isMember") == 1){
                CoreLocal::set("casediscount",10);
                $remainder = $split[1];
            }
            elseif (CoreLocal::get("isMember") != 1){
                CoreLocal::set("casediscount",5);
                $remainder = $split[1];
            }
        }    
        return $remainder;    
    }

    function doc(){
        return "<table cellspacing=0 cellpadding=3 border=1>
            <tr>
                <th>Input</th><th>Result</th>
            </tr>
            <tr>
                <td><i>discount</i>CT<i>item</i></td>
                <td>Sets case discount <i>discount</i>
                for the item. <i>Discount</i> should be a
                number, <i>item</i> can be any valid ring
                (e.g., UPC or open-ring to a department).
                </td>
            </tr>
            </table>";
    }
}

